http://newhumanist.i2p/articles/4942/ice-tennis-eel-pulling-and-italian-cat-headbutting-a-history-of-forgotten-sports
Humans have amused themselves down the centuries with the regrettably self-explanatory bird-batting, cat-burning, eel-pulling, tip-cat, pig-sticking and monkey-fighting, as well as the baiting of ducks, bears and lions. Animals are still injured in the course of some contemporary sports, but – outside Spain, anyway – it’s usually accidental, not the point of the exercise.